コード例 #1
0
cache_packet
*packet_cache_get_packet (packet_cache *pcache, jack_nframes_t framecnt)
{
    int i;
    cache_packet *retval;

    for (i = 0; i < pcache->size; i++)
    {
        if (pcache->packets[i].valid && (pcache->packets[i].framecnt == framecnt))
            return &(pcache->packets[i]);
    }

    // The Packet is not in the packet cache.
    // find a free packet.

    retval = packet_cache_get_free_packet (pcache);
    if (retval != NULL)
    {
        cache_packet_set_framecnt (retval, framecnt);
        return retval;
    }

    // No Free Packet available
    // Get The Oldest packet and reset it.

    retval = packet_cache_get_oldest_packet (pcache);
    //printf( "Dropping %d from Cache :S\n", retval->framecnt );
    cache_packet_reset (retval);
    cache_packet_set_framecnt (retval, framecnt);

    return retval;
}
コード例 #2
0
int
packet_cache_release_packet( packet_cache *pcache, jack_nframes_t framecnt )
{
    int i;
    cache_packet *cpack = NULL;


    for (i = 0; i < pcache->size; i++) {
        if (pcache->packets[i].valid && (pcache->packets[i].framecnt == framecnt)) {
            cpack = &(pcache->packets[i]);
            break;
        }
    }

    if( cpack == NULL ) {
        //printf( "retreive packet: %d....not found\n", framecnt );
        return -1;
    }

    if( !cache_packet_is_complete( cpack ) ) {
        return -1;
    }

    cache_packet_reset (cpack);
    packet_cache_clear_old_packets( pcache, framecnt );

    return 0;
}
コード例 #3
0
ファイル: netjack_packet.c プロジェクト: HI-CARL/jack2
void
packet_cache_clear_old_packets (packet_cache *pcache, jack_nframes_t framecnt )
{
    int i;

    for (i = 0; i < pcache->size; i++) {
        if (pcache->packets[i].valid && (pcache->packets[i].framecnt < framecnt)) {
            cache_packet_reset (&(pcache->packets[i]));
        }
    }
}